linux-kernel - Re: [PATCH v2 7/9] sched: define TIF_ALLOW

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Message-ID: <20230921095906.3dad00be@gandalf.local.home>
Date:   Thu, 21 Sep 2023 09:59:06 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Ankur Arora <ankur.a.arora@...cle.com>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Peter Zijlstra <peterz@...radead.org>,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org, x86@...nel.org,
        akpm@...ux-foundation.org, luto@...nel.org, bp@...en8.de,
        dave.hansen@...ux.intel.com, hpa@...or.com, mingo@...hat.com,
        juri.lelli@...hat.com, vincent.guittot@...aro.org,
        willy@...radead.org, mgorman@...e.de, jon.grimm@....com,
        bharata@....com, raghavendra.kt@....com,
        boris.ostrovsky@...cle.com, konrad.wilk@...cle.com,
        jgross@...e.com, andrew.cooper3@...rix.com,
        Frederic Weisbecker <fweisbec@...il.com>
Subject: Re: [PATCH v2 7/9] sched: define TIF_ALLOW_RESCHED

On Wed, 20 Sep 2023 21:16:17 -0700
Ankur Arora <ankur.a.arora@...cle.com> wrote:

> > On Wed, Sep 20 2023 at 17:57, Ankur Arora wrote:  
> >> Thomas Gleixner <tglx@...utronix.de> writes:  
> >>> Find below a PoC which implements that scheme. It's not even close to
> >>> correct, but it builds, boots and survives lightweight testing.  
> >>
> >> Whew, that was electric. I had barely managed to sort through some of
> >> the config maze.
> >> From a quick look this is pretty much how you described it.  
> >


> > What's electric about that?  
> 
> Hmm, so I /think/ I was going for something like electric current taking
> the optimal path, with a side meaning of electrifying.
> 
> Though, I guess electron flow is a quantum mechanical, so that would
> really try all possible paths, which means the analogy doesn't quite
> fit.
> 
> Let me substitute greased lightning for electric :D.

"It's electrifying!" ;-)

  https://www.youtube.com/watch?v=7oKPYe53h78

-- Steve